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Home >> Toyota >> 1994 >> Corolla LE >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft System >> Testing Anti-Theft Circuits >> Test 1 >> Circuit Power Source
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit Power Source

Turn ignition off and disconnect ATS ECU connector. Ensure battery voltage exists between ground and harness side connector terminal A20. If battery voltage is present, go to next step. If battery voltage is not present, repair open in harness or connectors as necessary.